Home / 4,677.12-6,457.68-2,909.52

Finding the Fourth Proportional to 4,677.12, 6,457.68 and 2,909.52

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Solution

The fourth proportional to 4,677.12, 6,457.68 and 2,909.52 is: 4,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.12 : 6,457.68 = 2,909.52 : x
  2. Step 2: Convert to fraction form
    4,677.12/6,457.68 = 2,909.52/x
  3. Step 3: Cross multiply
    4,677.12x = 6,457.68 × 2,909.52
  4. Step 4: Simplify right side
    4,677.12x = 18,788,749.11
  5. Step 5: Solve for x
    x = 18,788,749.11/4,677.12
  6. Step 6: Final answer
    x = 4,017.16

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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.