Home / 8,870.04-13,306.47-2,947.14

Finding the Fourth Proportional to 8,870.04, 13,306.47 and 2,947.14

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Solution

The fourth proportional to 8,870.04, 13,306.47 and 2,947.14 is: 4,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.04 : 13,306.47 = 2,947.14 : x
  2. Step 2: Convert to fraction form
    8,870.04/13,306.47 = 2,947.14/x
  3. Step 3: Cross multiply
    8,870.04x = 13,306.47 × 2,947.14
  4. Step 4: Simplify right side
    8,870.04x = 39,216,030.00
  5. Step 5: Solve for x
    x = 39,216,030.00/8,870.04
  6. Step 6: Final answer
    x = 4,421.18

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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.