Home / 5,407.90-8,113.67-5,371.45

Finding the Fourth Proportional to 5,407.90, 8,113.67 and 5,371.45

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Solution

The fourth proportional to 5,407.90, 8,113.67 and 5,371.45 is: 8,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.90 : 8,113.67 = 5,371.45 : x
  2. Step 2: Convert to fraction form
    5,407.90/8,113.67 = 5,371.45/x
  3. Step 3: Cross multiply
    5,407.90x = 8,113.67 × 5,371.45
  4. Step 4: Simplify right side
    5,407.90x = 43,582,172.72
  5. Step 5: Solve for x
    x = 43,582,172.72/5,407.90
  6. Step 6: Final answer
    x = 8,058.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.