Home / 9,122.91-12,589.57-4,931.16

Finding the Fourth Proportional to 9,122.91, 12,589.57 and 4,931.16

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Solution

The fourth proportional to 9,122.91, 12,589.57 and 4,931.16 is: 6,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.91 : 12,589.57 = 4,931.16 : x
  2. Step 2: Convert to fraction form
    9,122.91/12,589.57 = 4,931.16/x
  3. Step 3: Cross multiply
    9,122.91x = 12,589.57 × 4,931.16
  4. Step 4: Simplify right side
    9,122.91x = 62,081,184.00
  5. Step 5: Solve for x
    x = 62,081,184.00/9,122.91
  6. Step 6: Final answer
    x = 6,804.98

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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.