Home / 9,875.22-13,628.05-5,898.62

Finding the Fourth Proportional to 9,875.22, 13,628.05 and 5,898.62

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Solution

The fourth proportional to 9,875.22, 13,628.05 and 5,898.62 is: 8,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.22 : 13,628.05 = 5,898.62 : x
  2. Step 2: Convert to fraction form
    9,875.22/13,628.05 = 5,898.62/x
  3. Step 3: Cross multiply
    9,875.22x = 13,628.05 × 5,898.62
  4. Step 4: Simplify right side
    9,875.22x = 80,386,707.61
  5. Step 5: Solve for x
    x = 80,386,707.61/9,875.22
  6. Step 6: Final answer
    x = 8,140.25

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1.5x scale

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.