Home / 9,109.22-12,571.02-5,332.74

Finding the Fourth Proportional to 9,109.22, 12,571.02 and 5,332.74

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Solution

The fourth proportional to 9,109.22, 12,571.02 and 5,332.74 is: 7,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.22 : 12,571.02 = 5,332.74 : x
  2. Step 2: Convert to fraction form
    9,109.22/12,571.02 = 5,332.74/x
  3. Step 3: Cross multiply
    9,109.22x = 12,571.02 × 5,332.74
  4. Step 4: Simplify right side
    9,109.22x = 67,037,981.19
  5. Step 5: Solve for x
    x = 67,037,981.19/9,109.22
  6. Step 6: Final answer
    x = 7,359.35

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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.