Home / 7,004.32-10,506.12-1,810

Finding the Fourth Proportional to 7,004.32, 10,506.12 and 1,810

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Solution

The fourth proportional to 7,004.32, 10,506.12 and 1,810 is: 2,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.32 : 10,506.12 = 1,810 : x
  2. Step 2: Convert to fraction form
    7,004.32/10,506.12 = 1,810/x
  3. Step 3: Cross multiply
    7,004.32x = 10,506.12 × 1,810
  4. Step 4: Simplify right side
    7,004.32x = 19,016,077.20
  5. Step 5: Solve for x
    x = 19,016,077.20/7,004.32
  6. Step 6: Final answer
    x = 2,714.91

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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.