Home / 6,875.10-9,503.19-6,330.78

Finding the Fourth Proportional to 6,875.10, 9,503.19 and 6,330.78

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Solution

The fourth proportional to 6,875.10, 9,503.19 and 6,330.78 is: 8,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.10 : 9,503.19 = 6,330.78 : x
  2. Step 2: Convert to fraction form
    6,875.10/9,503.19 = 6,330.78/x
  3. Step 3: Cross multiply
    6,875.10x = 9,503.19 × 6,330.78
  4. Step 4: Simplify right side
    6,875.10x = 60,162,605.19
  5. Step 5: Solve for x
    x = 60,162,605.19/6,875.10
  6. Step 6: Final answer
    x = 8,750.80

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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.