Home / 7,307.88-10,085.67-4,477.11

Finding the Fourth Proportional to 7,307.88, 10,085.67 and 4,477.11

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Solution

The fourth proportional to 7,307.88, 10,085.67 and 4,477.11 is: 6,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.88 : 10,085.67 = 4,477.11 : x
  2. Step 2: Convert to fraction form
    7,307.88/10,085.67 = 4,477.11/x
  3. Step 3: Cross multiply
    7,307.88x = 10,085.67 × 4,477.11
  4. Step 4: Simplify right side
    7,307.88x = 45,154,654.01
  5. Step 5: Solve for x
    x = 45,154,654.01/7,307.88
  6. Step 6: Final answer
    x = 6,178.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.