Home / 9,757.80-13,465.74-5,281.55

Finding the Fourth Proportional to 9,757.80, 13,465.74 and 5,281.55

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Solution

The fourth proportional to 9,757.80, 13,465.74 and 5,281.55 is: 7,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,757.80 : 13,465.74 = 5,281.55 : x
  2. Step 2: Convert to fraction form
    9,757.80/13,465.74 = 5,281.55/x
  3. Step 3: Cross multiply
    9,757.80x = 13,465.74 × 5,281.55
  4. Step 4: Simplify right side
    9,757.80x = 71,119,911.77
  5. Step 5: Solve for x
    x = 71,119,911.77/9,757.80
  6. Step 6: Final answer
    x = 7,288.52

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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.