Home / 7,165.17-10,748.09-1,971.05

Finding the Fourth Proportional to 7,165.17, 10,748.09 and 1,971.05

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Solution

The fourth proportional to 7,165.17, 10,748.09 and 1,971.05 is: 2,956.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.17 : 10,748.09 = 1,971.05 : x
  2. Step 2: Convert to fraction form
    7,165.17/10,748.09 = 1,971.05/x
  3. Step 3: Cross multiply
    7,165.17x = 10,748.09 × 1,971.05
  4. Step 4: Simplify right side
    7,165.17x = 21,184,959.20
  5. Step 5: Solve for x
    x = 21,184,959.20/7,165.17
  6. Step 6: Final answer
    x = 2,956.66

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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.