Home / 9,079.61-12,530.19-5,100.64

Finding the Fourth Proportional to 9,079.61, 12,530.19 and 5,100.64

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Solution

The fourth proportional to 9,079.61, 12,530.19 and 5,100.64 is: 7,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.61 : 12,530.19 = 5,100.64 : x
  2. Step 2: Convert to fraction form
    9,079.61/12,530.19 = 5,100.64/x
  3. Step 3: Cross multiply
    9,079.61x = 12,530.19 × 5,100.64
  4. Step 4: Simplify right side
    9,079.61x = 63,911,900.17
  5. Step 5: Solve for x
    x = 63,911,900.17/9,079.61
  6. Step 6: Final answer
    x = 7,039.06

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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.