Home / 5,726.60-8,587.34-1,621.64

Finding the Fourth Proportional to 5,726.60, 8,587.34 and 1,621.64

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Solution

The fourth proportional to 5,726.60, 8,587.34 and 1,621.64 is: 2,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.60 : 8,587.34 = 1,621.64 : x
  2. Step 2: Convert to fraction form
    5,726.60/8,587.34 = 1,621.64/x
  3. Step 3: Cross multiply
    5,726.60x = 8,587.34 × 1,621.64
  4. Step 4: Simplify right side
    5,726.60x = 13,925,574.04
  5. Step 5: Solve for x
    x = 13,925,574.04/5,726.60
  6. Step 6: Final answer
    x = 2,431.74

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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.