Home / 9,117.47-12,582.11-4,925.72

Finding the Fourth Proportional to 9,117.47, 12,582.11 and 4,925.72

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Solution

The fourth proportional to 9,117.47, 12,582.11 and 4,925.72 is: 6,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.47 : 12,582.11 = 4,925.72 : x
  2. Step 2: Convert to fraction form
    9,117.47/12,582.11 = 4,925.72/x
  3. Step 3: Cross multiply
    9,117.47x = 12,582.11 × 4,925.72
  4. Step 4: Simplify right side
    9,117.47x = 61,975,919.75
  5. Step 5: Solve for x
    x = 61,975,919.75/9,117.47
  6. Step 6: Final answer
    x = 6,797.49

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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.