Home / 7,271.58-10,892.57-6,666.11

Finding the Fourth Proportional to 7,271.58, 10,892.57 and 6,666.11

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Solution

The fourth proportional to 7,271.58, 10,892.57 and 6,666.11 is: 9,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.58 : 10,892.57 = 6,666.11 : x
  2. Step 2: Convert to fraction form
    7,271.58/10,892.57 = 6,666.11/x
  3. Step 3: Cross multiply
    7,271.58x = 10,892.57 × 6,666.11
  4. Step 4: Simplify right side
    7,271.58x = 72,610,982.01
  5. Step 5: Solve for x
    x = 72,610,982.01/7,271.58
  6. Step 6: Final answer
    x = 9,985.59

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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.