Home / 4,689.56-6,471.35-2,564.68

Finding the Fourth Proportional to 4,689.56, 6,471.35 and 2,564.68

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Solution

The fourth proportional to 4,689.56, 6,471.35 and 2,564.68 is: 3,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.56 : 6,471.35 = 2,564.68 : x
  2. Step 2: Convert to fraction form
    4,689.56/6,471.35 = 2,564.68/x
  3. Step 3: Cross multiply
    4,689.56x = 6,471.35 × 2,564.68
  4. Step 4: Simplify right side
    4,689.56x = 16,596,909.56
  5. Step 5: Solve for x
    x = 16,596,909.56/4,689.56
  6. Step 6: Final answer
    x = 3,539.12

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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.