Home / 9,319.48-12,860.52-5,337.76

Finding the Fourth Proportional to 9,319.48, 12,860.52 and 5,337.76

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Solution

The fourth proportional to 9,319.48, 12,860.52 and 5,337.76 is: 7,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.48 : 12,860.52 = 5,337.76 : x
  2. Step 2: Convert to fraction form
    9,319.48/12,860.52 = 5,337.76/x
  3. Step 3: Cross multiply
    9,319.48x = 12,860.52 × 5,337.76
  4. Step 4: Simplify right side
    9,319.48x = 68,646,369.24
  5. Step 5: Solve for x
    x = 68,646,369.24/9,319.48
  6. Step 6: Final answer
    x = 7,365.90

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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.