Home / 10,210.26-15,316.38-3,970.77

Finding the Fourth Proportional to 10,210.26, 15,316.38 and 3,970.77

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Solution

The fourth proportional to 10,210.26, 15,316.38 and 3,970.77 is: 5,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.26 : 15,316.38 = 3,970.77 : x
  2. Step 2: Convert to fraction form
    10,210.26/15,316.38 = 3,970.77/x
  3. Step 3: Cross multiply
    10,210.26x = 15,316.38 × 3,970.77
  4. Step 4: Simplify right side
    10,210.26x = 60,817,822.21
  5. Step 5: Solve for x
    x = 60,817,822.21/10,210.26
  6. Step 6: Final answer
    x = 5,956.54

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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.