Home / 7,472.13-10,312.02-4,328.25

Finding the Fourth Proportional to 7,472.13, 10,312.02 and 4,328.25

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Solution

The fourth proportional to 7,472.13, 10,312.02 and 4,328.25 is: 5,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.13 : 10,312.02 = 4,328.25 : x
  2. Step 2: Convert to fraction form
    7,472.13/10,312.02 = 4,328.25/x
  3. Step 3: Cross multiply
    7,472.13x = 10,312.02 × 4,328.25
  4. Step 4: Simplify right side
    7,472.13x = 44,633,000.57
  5. Step 5: Solve for x
    x = 44,633,000.57/7,472.13
  6. Step 6: Final answer
    x = 5,973.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.