Home / 7,217.40-10,850.40-6,148.20

Finding the Fourth Proportional to 7,217.40, 10,850.40 and 6,148.20

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Solution

The fourth proportional to 7,217.40, 10,850.40 and 6,148.20 is: 9,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.40 : 10,850.40 = 6,148.20 : x
  2. Step 2: Convert to fraction form
    7,217.40/10,850.40 = 6,148.20/x
  3. Step 3: Cross multiply
    7,217.40x = 10,850.40 × 6,148.20
  4. Step 4: Simplify right side
    7,217.40x = 66,710,429.28
  5. Step 5: Solve for x
    x = 66,710,429.28/7,217.40
  6. Step 6: Final answer
    x = 9,243.00

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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.