Home / 7,070.17-10,605.39-1,876.09

Finding the Fourth Proportional to 7,070.17, 10,605.39 and 1,876.09

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Solution

The fourth proportional to 7,070.17, 10,605.39 and 1,876.09 is: 2,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.17 : 10,605.39 = 1,876.09 : x
  2. Step 2: Convert to fraction form
    7,070.17/10,605.39 = 1,876.09/x
  3. Step 3: Cross multiply
    7,070.17x = 10,605.39 × 1,876.09
  4. Step 4: Simplify right side
    7,070.17x = 19,896,666.13
  5. Step 5: Solve for x
    x = 19,896,666.13/7,070.17
  6. Step 6: Final answer
    x = 2,814.17

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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.