Home / 7,064.79-10,572.65-4,395.28

Finding the Fourth Proportional to 7,064.79, 10,572.65 and 4,395.28

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Solution

The fourth proportional to 7,064.79, 10,572.65 and 4,395.28 is: 6,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.79 : 10,572.65 = 4,395.28 : x
  2. Step 2: Convert to fraction form
    7,064.79/10,572.65 = 4,395.28/x
  3. Step 3: Cross multiply
    7,064.79x = 10,572.65 × 4,395.28
  4. Step 4: Simplify right side
    7,064.79x = 46,469,719.67
  5. Step 5: Solve for x
    x = 46,469,719.67/7,064.79
  6. Step 6: Final answer
    x = 6,577.66

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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.