Home / 6,895.74-10,343.61-4,123.20

Finding the Fourth Proportional to 6,895.74, 10,343.61 and 4,123.20

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Solution

The fourth proportional to 6,895.74, 10,343.61 and 4,123.20 is: 6,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.74 : 10,343.61 = 4,123.20 : x
  2. Step 2: Convert to fraction form
    6,895.74/10,343.61 = 4,123.20/x
  3. Step 3: Cross multiply
    6,895.74x = 10,343.61 × 4,123.20
  4. Step 4: Simplify right side
    6,895.74x = 42,648,772.75
  5. Step 5: Solve for x
    x = 42,648,772.75/6,895.74
  6. Step 6: Final answer
    x = 6,184.80

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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.