Home / 5,011.38-6,899.52-4,125.60

Finding the Fourth Proportional to 5,011.38, 6,899.52 and 4,125.60

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Solution

The fourth proportional to 5,011.38, 6,899.52 and 4,125.60 is: 5,680.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.38 : 6,899.52 = 4,125.60 : x
  2. Step 2: Convert to fraction form
    5,011.38/6,899.52 = 4,125.60/x
  3. Step 3: Cross multiply
    5,011.38x = 6,899.52 × 4,125.60
  4. Step 4: Simplify right side
    5,011.38x = 28,464,659.71
  5. Step 5: Solve for x
    x = 28,464,659.71/5,011.38
  6. Step 6: Final answer
    x = 5,680.00

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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.