Home / 10,356.10-15,544.45-4,810.70

Finding the Fourth Proportional to 10,356.10, 15,544.45 and 4,810.70

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Solution

The fourth proportional to 10,356.10, 15,544.45 and 4,810.70 is: 7,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.10 : 15,544.45 = 4,810.70 : x
  2. Step 2: Convert to fraction form
    10,356.10/15,544.45 = 4,810.70/x
  3. Step 3: Cross multiply
    10,356.10x = 15,544.45 × 4,810.70
  4. Step 4: Simplify right side
    10,356.10x = 74,779,685.62
  5. Step 5: Solve for x
    x = 74,779,685.62/10,356.10
  6. Step 6: Final answer
    x = 7,220.83

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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.