Home / 7,284.30-10,926.45-6,458.10

Finding the Fourth Proportional to 7,284.30, 10,926.45 and 6,458.10

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Solution

The fourth proportional to 7,284.30, 10,926.45 and 6,458.10 is: 9,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.30 : 10,926.45 = 6,458.10 : x
  2. Step 2: Convert to fraction form
    7,284.30/10,926.45 = 6,458.10/x
  3. Step 3: Cross multiply
    7,284.30x = 10,926.45 × 6,458.10
  4. Step 4: Simplify right side
    7,284.30x = 70,564,106.75
  5. Step 5: Solve for x
    x = 70,564,106.75/7,284.30
  6. Step 6: Final answer
    x = 9,687.15

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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.