Home / 9,117.05-12,581.53-4,925.30

Finding the Fourth Proportional to 9,117.05, 12,581.53 and 4,925.30

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Solution

The fourth proportional to 9,117.05, 12,581.53 and 4,925.30 is: 6,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.05 : 12,581.53 = 4,925.30 : x
  2. Step 2: Convert to fraction form
    9,117.05/12,581.53 = 4,925.30/x
  3. Step 3: Cross multiply
    9,117.05x = 12,581.53 × 4,925.30
  4. Step 4: Simplify right side
    9,117.05x = 61,967,828.85
  5. Step 5: Solve for x
    x = 61,967,828.85/9,117.05
  6. Step 6: Final answer
    x = 6,796.91

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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.