Home / 9,117.66-12,582.37-4,925.91

Finding the Fourth Proportional to 9,117.66, 12,582.37 and 4,925.91

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Solution

The fourth proportional to 9,117.66, 12,582.37 and 4,925.91 is: 6,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.66 : 12,582.37 = 4,925.91 : x
  2. Step 2: Convert to fraction form
    9,117.66/12,582.37 = 4,925.91/x
  3. Step 3: Cross multiply
    9,117.66x = 12,582.37 × 4,925.91
  4. Step 4: Simplify right side
    9,117.66x = 61,979,553.47
  5. Step 5: Solve for x
    x = 61,979,553.47/9,117.66
  6. Step 6: Final answer
    x = 6,797.75

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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.