Home / 7,075.90-9,753.51-5,581.39

Finding the Fourth Proportional to 7,075.90, 9,753.51 and 5,581.39

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Solution

The fourth proportional to 7,075.90, 9,753.51 and 5,581.39 is: 7,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.90 : 9,753.51 = 5,581.39 : x
  2. Step 2: Convert to fraction form
    7,075.90/9,753.51 = 5,581.39/x
  3. Step 3: Cross multiply
    7,075.90x = 9,753.51 × 5,581.39
  4. Step 4: Simplify right side
    7,075.90x = 54,438,143.18
  5. Step 5: Solve for x
    x = 54,438,143.18/7,075.90
  6. Step 6: Final answer
    x = 7,693.46

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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.