Home / 8,730.40-12,047.89-4,751.51

Finding the Fourth Proportional to 8,730.40, 12,047.89 and 4,751.51

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Solution

The fourth proportional to 8,730.40, 12,047.89 and 4,751.51 is: 6,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.40 : 12,047.89 = 4,751.51 : x
  2. Step 2: Convert to fraction form
    8,730.40/12,047.89 = 4,751.51/x
  3. Step 3: Cross multiply
    8,730.40x = 12,047.89 × 4,751.51
  4. Step 4: Simplify right side
    8,730.40x = 57,245,727.53
  5. Step 5: Solve for x
    x = 57,245,727.53/8,730.40
  6. Step 6: Final answer
    x = 6,557.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.