Home / 8,411.20-11,607.35-4,634.28

Finding the Fourth Proportional to 8,411.20, 11,607.35 and 4,634.28

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Solution

The fourth proportional to 8,411.20, 11,607.35 and 4,634.28 is: 6,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.20 : 11,607.35 = 4,634.28 : x
  2. Step 2: Convert to fraction form
    8,411.20/11,607.35 = 4,634.28/x
  3. Step 3: Cross multiply
    8,411.20x = 11,607.35 × 4,634.28
  4. Step 4: Simplify right side
    8,411.20x = 53,791,686.79
  5. Step 5: Solve for x
    x = 53,791,686.79/8,411.20
  6. Step 6: Final answer
    x = 6,395.25

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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.