Home / 4,686.08-7,030.04-1,398.89

Finding the Fourth Proportional to 4,686.08, 7,030.04 and 1,398.89

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Solution

The fourth proportional to 4,686.08, 7,030.04 and 1,398.89 is: 2,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.08 : 7,030.04 = 1,398.89 : x
  2. Step 2: Convert to fraction form
    4,686.08/7,030.04 = 1,398.89/x
  3. Step 3: Cross multiply
    4,686.08x = 7,030.04 × 1,398.89
  4. Step 4: Simplify right side
    4,686.08x = 9,834,263.24
  5. Step 5: Solve for x
    x = 9,834,263.24/4,686.08
  6. Step 6: Final answer
    x = 2,098.61

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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.