Home / 5,489.08-7,573.98-3,130.36

Finding the Fourth Proportional to 5,489.08, 7,573.98 and 3,130.36

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Solution

The fourth proportional to 5,489.08, 7,573.98 and 3,130.36 is: 4,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.08 : 7,573.98 = 3,130.36 : x
  2. Step 2: Convert to fraction form
    5,489.08/7,573.98 = 3,130.36/x
  3. Step 3: Cross multiply
    5,489.08x = 7,573.98 × 3,130.36
  4. Step 4: Simplify right side
    5,489.08x = 23,709,284.03
  5. Step 5: Solve for x
    x = 23,709,284.03/5,489.08
  6. Step 6: Final answer
    x = 4,319.35

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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.