Home / 7,428.03-10,250.87-4,070.99

Finding the Fourth Proportional to 7,428.03, 10,250.87 and 4,070.99

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Solution

The fourth proportional to 7,428.03, 10,250.87 and 4,070.99 is: 5,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.03 : 10,250.87 = 4,070.99 : x
  2. Step 2: Convert to fraction form
    7,428.03/10,250.87 = 4,070.99/x
  3. Step 3: Cross multiply
    7,428.03x = 10,250.87 × 4,070.99
  4. Step 4: Simplify right side
    7,428.03x = 41,731,117.65
  5. Step 5: Solve for x
    x = 41,731,117.65/7,428.03
  6. Step 6: Final answer
    x = 5,618.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.