Home / 9,043.20-12,480.20-5,064.16

Finding the Fourth Proportional to 9,043.20, 12,480.20 and 5,064.16

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Solution

The fourth proportional to 9,043.20, 12,480.20 and 5,064.16 is: 6,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.20 : 12,480.20 = 5,064.16 : x
  2. Step 2: Convert to fraction form
    9,043.20/12,480.20 = 5,064.16/x
  3. Step 3: Cross multiply
    9,043.20x = 12,480.20 × 5,064.16
  4. Step 4: Simplify right side
    9,043.20x = 63,201,729.63
  5. Step 5: Solve for x
    x = 63,201,729.63/9,043.20
  6. Step 6: Final answer
    x = 6,988.87

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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.