Home / 4,677.48-6,455.51-2,909.31

Finding the Fourth Proportional to 4,677.48, 6,455.51 and 2,909.31

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Solution

The fourth proportional to 4,677.48, 6,455.51 and 2,909.31 is: 4,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.48 : 6,455.51 = 2,909.31 : x
  2. Step 2: Convert to fraction form
    4,677.48/6,455.51 = 2,909.31/x
  3. Step 3: Cross multiply
    4,677.48x = 6,455.51 × 2,909.31
  4. Step 4: Simplify right side
    4,677.48x = 18,781,065.25
  5. Step 5: Solve for x
    x = 18,781,065.25/4,677.48
  6. Step 6: Final answer
    x = 4,015.21

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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.