Home / 10,210.22-15,316.28-3,970.70

Finding the Fourth Proportional to 10,210.22, 15,316.28 and 3,970.70

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Solution

The fourth proportional to 10,210.22, 15,316.28 and 3,970.70 is: 5,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.22 : 15,316.28 = 3,970.70 : x
  2. Step 2: Convert to fraction form
    10,210.22/15,316.28 = 3,970.70/x
  3. Step 3: Cross multiply
    10,210.22x = 15,316.28 × 3,970.70
  4. Step 4: Simplify right side
    10,210.22x = 60,816,386.32
  5. Step 5: Solve for x
    x = 60,816,386.32/10,210.22
  6. Step 6: Final answer
    x = 5,956.42

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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.