Home / 7,070.90-10,606.34-1,805.91

Finding the Fourth Proportional to 7,070.90, 10,606.34 and 1,805.91

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Solution

The fourth proportional to 7,070.90, 10,606.34 and 1,805.91 is: 2,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.90 : 10,606.34 = 1,805.91 : x
  2. Step 2: Convert to fraction form
    7,070.90/10,606.34 = 1,805.91/x
  3. Step 3: Cross multiply
    7,070.90x = 10,606.34 × 1,805.91
  4. Step 4: Simplify right side
    7,070.90x = 19,154,095.47
  5. Step 5: Solve for x
    x = 19,154,095.47/7,070.90
  6. Step 6: Final answer
    x = 2,708.86

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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.