Home / 7,068.95-9,757.45-5,085.28

Finding the Fourth Proportional to 7,068.95, 9,757.45 and 5,085.28

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Solution

The fourth proportional to 7,068.95, 9,757.45 and 5,085.28 is: 7,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.95 : 9,757.45 = 5,085.28 : x
  2. Step 2: Convert to fraction form
    7,068.95/9,757.45 = 5,085.28/x
  3. Step 3: Cross multiply
    7,068.95x = 9,757.45 × 5,085.28
  4. Step 4: Simplify right side
    7,068.95x = 49,619,355.28
  5. Step 5: Solve for x
    x = 49,619,355.28/7,068.95
  6. Step 6: Final answer
    x = 7,019.33

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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.