Home / 7,335.68-10,117.08-4,815.86

Finding the Fourth Proportional to 7,335.68, 10,117.08 and 4,815.86

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Solution

The fourth proportional to 7,335.68, 10,117.08 and 4,815.86 is: 6,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.68 : 10,117.08 = 4,815.86 : x
  2. Step 2: Convert to fraction form
    7,335.68/10,117.08 = 4,815.86/x
  3. Step 3: Cross multiply
    7,335.68x = 10,117.08 × 4,815.86
  4. Step 4: Simplify right side
    7,335.68x = 48,722,440.89
  5. Step 5: Solve for x
    x = 48,722,440.89/7,335.68
  6. Step 6: Final answer
    x = 6,641.84

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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.