Home / 4,672.40-7,010.06-1,385.51

Finding the Fourth Proportional to 4,672.40, 7,010.06 and 1,385.51

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Solution

The fourth proportional to 4,672.40, 7,010.06 and 1,385.51 is: 2,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.40 : 7,010.06 = 1,385.51 : x
  2. Step 2: Convert to fraction form
    4,672.40/7,010.06 = 1,385.51/x
  3. Step 3: Cross multiply
    4,672.40x = 7,010.06 × 1,385.51
  4. Step 4: Simplify right side
    4,672.40x = 9,712,508.23
  5. Step 5: Solve for x
    x = 9,712,508.23/4,672.40
  6. Step 6: Final answer
    x = 2,078.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.