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Finding the Fourth Proportional to 9,728.48, 14,594.16 and 3,572

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Solution

The fourth proportional to 9,728.48, 14,594.16 and 3,572 is: 5,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.48 : 14,594.16 = 3,572 : x
  2. Step 2: Convert to fraction form
    9,728.48/14,594.16 = 3,572/x
  3. Step 3: Cross multiply
    9,728.48x = 14,594.16 × 3,572
  4. Step 4: Simplify right side
    9,728.48x = 52,130,339.52
  5. Step 5: Solve for x
    x = 52,130,339.52/9,728.48
  6. Step 6: Final answer
    x = 5,358.53

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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.