Home / 6,929.28-10,394.40-2,310.72

Finding the Fourth Proportional to 6,929.28, 10,394.40 and 2,310.72

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Solution

The fourth proportional to 6,929.28, 10,394.40 and 2,310.72 is: 3,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.28 : 10,394.40 = 2,310.72 : x
  2. Step 2: Convert to fraction form
    6,929.28/10,394.40 = 2,310.72/x
  3. Step 3: Cross multiply
    6,929.28x = 10,394.40 × 2,310.72
  4. Step 4: Simplify right side
    6,929.28x = 24,018,547.97
  5. Step 5: Solve for x
    x = 24,018,547.97/6,929.28
  6. Step 6: Final answer
    x = 3,466.24

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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.