Home / 8,403.80-11,597.28-4,626.87

Finding the Fourth Proportional to 8,403.80, 11,597.28 and 4,626.87

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Solution

The fourth proportional to 8,403.80, 11,597.28 and 4,626.87 is: 6,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.80 : 11,597.28 = 4,626.87 : x
  2. Step 2: Convert to fraction form
    8,403.80/11,597.28 = 4,626.87/x
  3. Step 3: Cross multiply
    8,403.80x = 11,597.28 × 4,626.87
  4. Step 4: Simplify right side
    8,403.80x = 53,659,111.31
  5. Step 5: Solve for x
    x = 53,659,111.31/8,403.80
  6. Step 6: Final answer
    x = 6,385.10

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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.