Home / 5,528.98-7,630.14-3,011.20

Finding the Fourth Proportional to 5,528.98, 7,630.14 and 3,011.20

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Solution

The fourth proportional to 5,528.98, 7,630.14 and 3,011.20 is: 4,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.98 : 7,630.14 = 3,011.20 : x
  2. Step 2: Convert to fraction form
    5,528.98/7,630.14 = 3,011.20/x
  3. Step 3: Cross multiply
    5,528.98x = 7,630.14 × 3,011.20
  4. Step 4: Simplify right side
    5,528.98x = 22,975,877.57
  5. Step 5: Solve for x
    x = 22,975,877.57/5,528.98
  6. Step 6: Final answer
    x = 4,155.54

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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.