Home / 5,681.28-8,487.24-4,528.32

Finding the Fourth Proportional to 5,681.28, 8,487.24 and 4,528.32

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Solution

The fourth proportional to 5,681.28, 8,487.24 and 4,528.32 is: 6,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.28 : 8,487.24 = 4,528.32 : x
  2. Step 2: Convert to fraction form
    5,681.28/8,487.24 = 4,528.32/x
  3. Step 3: Cross multiply
    5,681.28x = 8,487.24 × 4,528.32
  4. Step 4: Simplify right side
    5,681.28x = 38,432,938.64
  5. Step 5: Solve for x
    x = 38,432,938.64/5,681.28
  6. Step 6: Final answer
    x = 6,764.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.