Home / 7,070.06-9,754.42-4,085.50

Finding the Fourth Proportional to 7,070.06, 9,754.42 and 4,085.50

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Solution

The fourth proportional to 7,070.06, 9,754.42 and 4,085.50 is: 5,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.06 : 9,754.42 = 4,085.50 : x
  2. Step 2: Convert to fraction form
    7,070.06/9,754.42 = 4,085.50/x
  3. Step 3: Cross multiply
    7,070.06x = 9,754.42 × 4,085.50
  4. Step 4: Simplify right side
    7,070.06x = 39,851,682.91
  5. Step 5: Solve for x
    x = 39,851,682.91/7,070.06
  6. Step 6: Final answer
    x = 5,636.68

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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.