Home / 6,875.40-10,313.10-4,657.80

Finding the Fourth Proportional to 6,875.40, 10,313.10 and 4,657.80

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Solution

The fourth proportional to 6,875.40, 10,313.10 and 4,657.80 is: 6,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.40 : 10,313.10 = 4,657.80 : x
  2. Step 2: Convert to fraction form
    6,875.40/10,313.10 = 4,657.80/x
  3. Step 3: Cross multiply
    6,875.40x = 10,313.10 × 4,657.80
  4. Step 4: Simplify right side
    6,875.40x = 48,036,357.18
  5. Step 5: Solve for x
    x = 48,036,357.18/6,875.40
  6. Step 6: Final answer
    x = 6,986.70

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Similar ratio
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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.