Home / 7,070.32-10,610.31-3,610

Finding the Fourth Proportional to 7,070.32, 10,610.31 and 3,610

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Solution

The fourth proportional to 7,070.32, 10,610.31 and 3,610 is: 5,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.32 : 10,610.31 = 3,610 : x
  2. Step 2: Convert to fraction form
    7,070.32/10,610.31 = 3,610/x
  3. Step 3: Cross multiply
    7,070.32x = 10,610.31 × 3,610
  4. Step 4: Simplify right side
    7,070.32x = 38,303,219.10
  5. Step 5: Solve for x
    x = 38,303,219.10/7,070.32
  6. Step 6: Final answer
    x = 5,417.47

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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.