Home / 8,454.19-11,666.46-4,677.51

Finding the Fourth Proportional to 8,454.19, 11,666.46 and 4,677.51

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Solution

The fourth proportional to 8,454.19, 11,666.46 and 4,677.51 is: 6,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.19 : 11,666.46 = 4,677.51 : x
  2. Step 2: Convert to fraction form
    8,454.19/11,666.46 = 4,677.51/x
  3. Step 3: Cross multiply
    8,454.19x = 11,666.46 × 4,677.51
  4. Step 4: Simplify right side
    8,454.19x = 54,570,027.06
  5. Step 5: Solve for x
    x = 54,570,027.06/8,454.19
  6. Step 6: Final answer
    x = 6,454.79

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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.