Home / 9,386.10-14,079.78-3,146.76

Finding the Fourth Proportional to 9,386.10, 14,079.78 and 3,146.76

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Solution

The fourth proportional to 9,386.10, 14,079.78 and 3,146.76 is: 4,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.10 : 14,079.78 = 3,146.76 : x
  2. Step 2: Convert to fraction form
    9,386.10/14,079.78 = 3,146.76/x
  3. Step 3: Cross multiply
    9,386.10x = 14,079.78 × 3,146.76
  4. Step 4: Simplify right side
    9,386.10x = 44,305,688.51
  5. Step 5: Solve for x
    x = 44,305,688.51/9,386.10
  6. Step 6: Final answer
    x = 4,720.35

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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.