Home / 5,718.20-8,569.60-2,430.42

Finding the Fourth Proportional to 5,718.20, 8,569.60 and 2,430.42

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Solution

The fourth proportional to 5,718.20, 8,569.60 and 2,430.42 is: 3,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.20 : 8,569.60 = 2,430.42 : x
  2. Step 2: Convert to fraction form
    5,718.20/8,569.60 = 2,430.42/x
  3. Step 3: Cross multiply
    5,718.20x = 8,569.60 × 2,430.42
  4. Step 4: Simplify right side
    5,718.20x = 20,827,727.23
  5. Step 5: Solve for x
    x = 20,827,727.23/5,718.20
  6. Step 6: Final answer
    x = 3,642.36

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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.