Home / 8,642.19-11,925.51-4,864.15

Finding the Fourth Proportional to 8,642.19, 11,925.51 and 4,864.15

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Solution

The fourth proportional to 8,642.19, 11,925.51 and 4,864.15 is: 6,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642.19 : 11,925.51 = 4,864.15 : x
  2. Step 2: Convert to fraction form
    8,642.19/11,925.51 = 4,864.15/x
  3. Step 3: Cross multiply
    8,642.19x = 11,925.51 × 4,864.15
  4. Step 4: Simplify right side
    8,642.19x = 58,007,409.84
  5. Step 5: Solve for x
    x = 58,007,409.84/8,642.19
  6. Step 6: Final answer
    x = 6,712.12

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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.