Home / 5,681.16-8,520.62-2,909.32

Finding the Fourth Proportional to 5,681.16, 8,520.62 and 2,909.32

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Solution

The fourth proportional to 5,681.16, 8,520.62 and 2,909.32 is: 4,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.16 : 8,520.62 = 2,909.32 : x
  2. Step 2: Convert to fraction form
    5,681.16/8,520.62 = 2,909.32/x
  3. Step 3: Cross multiply
    5,681.16x = 8,520.62 × 2,909.32
  4. Step 4: Simplify right side
    5,681.16x = 24,789,210.18
  5. Step 5: Solve for x
    x = 24,789,210.18/5,681.16
  6. Step 6: Final answer
    x = 4,363.41

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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.