Home / 5,585.58-8,378.60-1,888.18

Finding the Fourth Proportional to 5,585.58, 8,378.60 and 1,888.18

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Solution

The fourth proportional to 5,585.58, 8,378.60 and 1,888.18 is: 2,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.58 : 8,378.60 = 1,888.18 : x
  2. Step 2: Convert to fraction form
    5,585.58/8,378.60 = 1,888.18/x
  3. Step 3: Cross multiply
    5,585.58x = 8,378.60 × 1,888.18
  4. Step 4: Simplify right side
    5,585.58x = 15,820,295.51
  5. Step 5: Solve for x
    x = 15,820,295.51/5,585.58
  6. Step 6: Final answer
    x = 2,832.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.