Home / 7,526.61-11,278.98-4,222.87

Finding the Fourth Proportional to 7,526.61, 11,278.98 and 4,222.87

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Solution

The fourth proportional to 7,526.61, 11,278.98 and 4,222.87 is: 6,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.61 : 11,278.98 = 4,222.87 : x
  2. Step 2: Convert to fraction form
    7,526.61/11,278.98 = 4,222.87/x
  3. Step 3: Cross multiply
    7,526.61x = 11,278.98 × 4,222.87
  4. Step 4: Simplify right side
    7,526.61x = 47,629,638.08
  5. Step 5: Solve for x
    x = 47,629,638.08/7,526.61
  6. Step 6: Final answer
    x = 6,328.17

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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.