Home / 7,828.65-10,807.70-5,324.13

Finding the Fourth Proportional to 7,828.65, 10,807.70 and 5,324.13

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Solution

The fourth proportional to 7,828.65, 10,807.70 and 5,324.13 is: 7,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.65 : 10,807.70 = 5,324.13 : x
  2. Step 2: Convert to fraction form
    7,828.65/10,807.70 = 5,324.13/x
  3. Step 3: Cross multiply
    7,828.65x = 10,807.70 × 5,324.13
  4. Step 4: Simplify right side
    7,828.65x = 57,541,599.80
  5. Step 5: Solve for x
    x = 57,541,599.80/7,828.65
  6. Step 6: Final answer
    x = 7,350.13

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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.