Home / 7,211.10-9,950.12-4,817.23

Finding the Fourth Proportional to 7,211.10, 9,950.12 and 4,817.23

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Solution

The fourth proportional to 7,211.10, 9,950.12 and 4,817.23 is: 6,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.10 : 9,950.12 = 4,817.23 : x
  2. Step 2: Convert to fraction form
    7,211.10/9,950.12 = 4,817.23/x
  3. Step 3: Cross multiply
    7,211.10x = 9,950.12 × 4,817.23
  4. Step 4: Simplify right side
    7,211.10x = 47,932,041.64
  5. Step 5: Solve for x
    x = 47,932,041.64/7,211.10
  6. Step 6: Final answer
    x = 6,646.98

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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.