Home / 8,925.92-12,317.80-5,389.16

Finding the Fourth Proportional to 8,925.92, 12,317.80 and 5,389.16

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Solution

The fourth proportional to 8,925.92, 12,317.80 and 5,389.16 is: 7,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.92 : 12,317.80 = 5,389.16 : x
  2. Step 2: Convert to fraction form
    8,925.92/12,317.80 = 5,389.16/x
  3. Step 3: Cross multiply
    8,925.92x = 12,317.80 × 5,389.16
  4. Step 4: Simplify right side
    8,925.92x = 66,382,595.05
  5. Step 5: Solve for x
    x = 66,382,595.05/8,925.92
  6. Step 6: Final answer
    x = 7,437.06

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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.