Home / 8,730.69-13,084.35-4,281.54

Finding the Fourth Proportional to 8,730.69, 13,084.35 and 4,281.54

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Solution

The fourth proportional to 8,730.69, 13,084.35 and 4,281.54 is: 6,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.69 : 13,084.35 = 4,281.54 : x
  2. Step 2: Convert to fraction form
    8,730.69/13,084.35 = 4,281.54/x
  3. Step 3: Cross multiply
    8,730.69x = 13,084.35 × 4,281.54
  4. Step 4: Simplify right side
    8,730.69x = 56,021,200.46
  5. Step 5: Solve for x
    x = 56,021,200.46/8,730.69
  6. Step 6: Final answer
    x = 6,416.59

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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.