Home / 8,640.95-11,924.56-4,864.19

Finding the Fourth Proportional to 8,640.95, 11,924.56 and 4,864.19

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Solution

The fourth proportional to 8,640.95, 11,924.56 and 4,864.19 is: 6,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640.95 : 11,924.56 = 4,864.19 : x
  2. Step 2: Convert to fraction form
    8,640.95/11,924.56 = 4,864.19/x
  3. Step 3: Cross multiply
    8,640.95x = 11,924.56 × 4,864.19
  4. Step 4: Simplify right side
    8,640.95x = 58,003,325.51
  5. Step 5: Solve for x
    x = 58,003,325.51/8,640.95
  6. Step 6: Final answer
    x = 6,712.61

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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.