Home / 7,070.25-10,605.38-1,876.17

Finding the Fourth Proportional to 7,070.25, 10,605.38 and 1,876.17

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Solution

The fourth proportional to 7,070.25, 10,605.38 and 1,876.17 is: 2,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.25 : 10,605.38 = 1,876.17 : x
  2. Step 2: Convert to fraction form
    7,070.25/10,605.38 = 1,876.17/x
  3. Step 3: Cross multiply
    7,070.25x = 10,605.38 × 1,876.17
  4. Step 4: Simplify right side
    7,070.25x = 19,897,486.41
  5. Step 5: Solve for x
    x = 19,897,486.41/7,070.25
  6. Step 6: Final answer
    x = 2,814.26

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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.