Home / 9,320.49-12,862.80-5,342.27

Finding the Fourth Proportional to 9,320.49, 12,862.80 and 5,342.27

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Solution

The fourth proportional to 9,320.49, 12,862.80 and 5,342.27 is: 7,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.49 : 12,862.80 = 5,342.27 : x
  2. Step 2: Convert to fraction form
    9,320.49/12,862.80 = 5,342.27/x
  3. Step 3: Cross multiply
    9,320.49x = 12,862.80 × 5,342.27
  4. Step 4: Simplify right side
    9,320.49x = 68,716,486.24
  5. Step 5: Solve for x
    x = 68,716,486.24/9,320.49
  6. Step 6: Final answer
    x = 7,372.63

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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.