Home / 8,730.72-13,095.36-2,885.40

Finding the Fourth Proportional to 8,730.72, 13,095.36 and 2,885.40

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Solution

The fourth proportional to 8,730.72, 13,095.36 and 2,885.40 is: 4,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.72 : 13,095.36 = 2,885.40 : x
  2. Step 2: Convert to fraction form
    8,730.72/13,095.36 = 2,885.40/x
  3. Step 3: Cross multiply
    8,730.72x = 13,095.36 × 2,885.40
  4. Step 4: Simplify right side
    8,730.72x = 37,785,351.74
  5. Step 5: Solve for x
    x = 37,785,351.74/8,730.72
  6. Step 6: Final answer
    x = 4,327.86

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1.5x scale

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.