Home / 9,305.16-12,841.12-5,113.40

Finding the Fourth Proportional to 9,305.16, 12,841.12 and 5,113.40

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Solution

The fourth proportional to 9,305.16, 12,841.12 and 5,113.40 is: 7,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.16 : 12,841.12 = 5,113.40 : x
  2. Step 2: Convert to fraction form
    9,305.16/12,841.12 = 5,113.40/x
  3. Step 3: Cross multiply
    9,305.16x = 12,841.12 × 5,113.40
  4. Step 4: Simplify right side
    9,305.16x = 65,661,783.01
  5. Step 5: Solve for x
    x = 65,661,783.01/9,305.16
  6. Step 6: Final answer
    x = 7,056.49

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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.