Home / 5,411.13-8,116.70-1,307.13

Finding the Fourth Proportional to 5,411.13, 8,116.70 and 1,307.13

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Solution

The fourth proportional to 5,411.13, 8,116.70 and 1,307.13 is: 1,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.13 : 8,116.70 = 1,307.13 : x
  2. Step 2: Convert to fraction form
    5,411.13/8,116.70 = 1,307.13/x
  3. Step 3: Cross multiply
    5,411.13x = 8,116.70 × 1,307.13
  4. Step 4: Simplify right side
    5,411.13x = 10,609,582.07
  5. Step 5: Solve for x
    x = 10,609,582.07/5,411.13
  6. Step 6: Final answer
    x = 1,960.70

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Double scale
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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.