Home / 6,211.19-9,316.81-1,531.32

Finding the Fourth Proportional to 6,211.19, 9,316.81 and 1,531.32

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Solution

The fourth proportional to 6,211.19, 9,316.81 and 1,531.32 is: 2,296.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.19 : 9,316.81 = 1,531.32 : x
  2. Step 2: Convert to fraction form
    6,211.19/9,316.81 = 1,531.32/x
  3. Step 3: Cross multiply
    6,211.19x = 9,316.81 × 1,531.32
  4. Step 4: Simplify right side
    6,211.19x = 14,267,017.49
  5. Step 5: Solve for x
    x = 14,267,017.49/6,211.19
  6. Step 6: Final answer
    x = 2,296.99

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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.