Home / 5,465.40-8,207.70-5,292.60

Finding the Fourth Proportional to 5,465.40, 8,207.70 and 5,292.60

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Solution

The fourth proportional to 5,465.40, 8,207.70 and 5,292.60 is: 7,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.40 : 8,207.70 = 5,292.60 : x
  2. Step 2: Convert to fraction form
    5,465.40/8,207.70 = 5,292.60/x
  3. Step 3: Cross multiply
    5,465.40x = 8,207.70 × 5,292.60
  4. Step 4: Simplify right side
    5,465.40x = 43,440,073.02
  5. Step 5: Solve for x
    x = 43,440,073.02/5,465.40
  6. Step 6: Final answer
    x = 7,948.20

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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.