Home / 7,312.95-10,965.98-2,631.62

Finding the Fourth Proportional to 7,312.95, 10,965.98 and 2,631.62

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Solution

The fourth proportional to 7,312.95, 10,965.98 and 2,631.62 is: 3,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.95 : 10,965.98 = 2,631.62 : x
  2. Step 2: Convert to fraction form
    7,312.95/10,965.98 = 2,631.62/x
  3. Step 3: Cross multiply
    7,312.95x = 10,965.98 × 2,631.62
  4. Step 4: Simplify right side
    7,312.95x = 28,858,326.28
  5. Step 5: Solve for x
    x = 28,858,326.28/7,312.95
  6. Step 6: Final answer
    x = 3,946.19

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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.