Home / 6,931.36-10,396.28-2,770.29

Finding the Fourth Proportional to 6,931.36, 10,396.28 and 2,770.29

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Solution

The fourth proportional to 6,931.36, 10,396.28 and 2,770.29 is: 4,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.36 : 10,396.28 = 2,770.29 : x
  2. Step 2: Convert to fraction form
    6,931.36/10,396.28 = 2,770.29/x
  3. Step 3: Cross multiply
    6,931.36x = 10,396.28 × 2,770.29
  4. Step 4: Simplify right side
    6,931.36x = 28,800,710.52
  5. Step 5: Solve for x
    x = 28,800,710.52/6,931.36
  6. Step 6: Final answer
    x = 4,155.13

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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.