Home / 8,337.34-11,510.52-5,197.78

Finding the Fourth Proportional to 8,337.34, 11,510.52 and 5,197.78

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Solution

The fourth proportional to 8,337.34, 11,510.52 and 5,197.78 is: 7,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.34 : 11,510.52 = 5,197.78 : x
  2. Step 2: Convert to fraction form
    8,337.34/11,510.52 = 5,197.78/x
  3. Step 3: Cross multiply
    8,337.34x = 11,510.52 × 5,197.78
  4. Step 4: Simplify right side
    8,337.34x = 59,829,150.65
  5. Step 5: Solve for x
    x = 59,829,150.65/8,337.34
  6. Step 6: Final answer
    x = 7,176.05

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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.