Home / 7,312.02-10,965.30-2,630.76

Finding the Fourth Proportional to 7,312.02, 10,965.30 and 2,630.76

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Solution

The fourth proportional to 7,312.02, 10,965.30 and 2,630.76 is: 3,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.02 : 10,965.30 = 2,630.76 : x
  2. Step 2: Convert to fraction form
    7,312.02/10,965.30 = 2,630.76/x
  3. Step 3: Cross multiply
    7,312.02x = 10,965.30 × 2,630.76
  4. Step 4: Simplify right side
    7,312.02x = 28,847,072.63
  5. Step 5: Solve for x
    x = 28,847,072.63/7,312.02
  6. Step 6: Final answer
    x = 3,945.16

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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.