Home / 4,659.47-6,987.72-1,538.89

Finding the Fourth Proportional to 4,659.47, 6,987.72 and 1,538.89

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Solution

The fourth proportional to 4,659.47, 6,987.72 and 1,538.89 is: 2,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.47 : 6,987.72 = 1,538.89 : x
  2. Step 2: Convert to fraction form
    4,659.47/6,987.72 = 1,538.89/x
  3. Step 3: Cross multiply
    4,659.47x = 6,987.72 × 1,538.89
  4. Step 4: Simplify right side
    4,659.47x = 10,753,332.43
  5. Step 5: Solve for x
    x = 10,753,332.43/4,659.47
  6. Step 6: Final answer
    x = 2,307.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.