Home / 8,475.80-11,690.16-7,426.04

Finding the Fourth Proportional to 8,475.80, 11,690.16 and 7,426.04

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Solution

The fourth proportional to 8,475.80, 11,690.16 and 7,426.04 is: 10,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.80 : 11,690.16 = 7,426.04 : x
  2. Step 2: Convert to fraction form
    8,475.80/11,690.16 = 7,426.04/x
  3. Step 3: Cross multiply
    8,475.80x = 11,690.16 × 7,426.04
  4. Step 4: Simplify right side
    8,475.80x = 86,811,595.77
  5. Step 5: Solve for x
    x = 86,811,595.77/8,475.80
  6. Step 6: Final answer
    x = 10,242.29

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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.