Home / 5,487.98-7,573.56-3,130.08

Finding the Fourth Proportional to 5,487.98, 7,573.56 and 3,130.08

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Solution

The fourth proportional to 5,487.98, 7,573.56 and 3,130.08 is: 4,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.98 : 7,573.56 = 3,130.08 : x
  2. Step 2: Convert to fraction form
    5,487.98/7,573.56 = 3,130.08/x
  3. Step 3: Cross multiply
    5,487.98x = 7,573.56 × 3,130.08
  4. Step 4: Simplify right side
    5,487.98x = 23,705,848.68
  5. Step 5: Solve for x
    x = 23,705,848.68/5,487.98
  6. Step 6: Final answer
    x = 4,319.59

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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.