Home / 5,585.83-8,378.75-1,888.07

Finding the Fourth Proportional to 5,585.83, 8,378.75 and 1,888.07

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Solution

The fourth proportional to 5,585.83, 8,378.75 and 1,888.07 is: 2,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.83 : 8,378.75 = 1,888.07 : x
  2. Step 2: Convert to fraction form
    5,585.83/8,378.75 = 1,888.07/x
  3. Step 3: Cross multiply
    5,585.83x = 8,378.75 × 1,888.07
  4. Step 4: Simplify right side
    5,585.83x = 15,819,666.51
  5. Step 5: Solve for x
    x = 15,819,666.51/5,585.83
  6. Step 6: Final answer
    x = 2,832.11

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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.