Home / 6,220.64-9,330.93-5,122.68

Finding the Fourth Proportional to 6,220.64, 9,330.93 and 5,122.68

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Solution

The fourth proportional to 6,220.64, 9,330.93 and 5,122.68 is: 7,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.64 : 9,330.93 = 5,122.68 : x
  2. Step 2: Convert to fraction form
    6,220.64/9,330.93 = 5,122.68/x
  3. Step 3: Cross multiply
    6,220.64x = 9,330.93 × 5,122.68
  4. Step 4: Simplify right side
    6,220.64x = 47,799,368.49
  5. Step 5: Solve for x
    x = 47,799,368.49/6,220.64
  6. Step 6: Final answer
    x = 7,684.00

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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.