Home / 7,510.89-11,270.34-4,877.76

Finding the Fourth Proportional to 7,510.89, 11,270.34 and 4,877.76

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Solution

The fourth proportional to 7,510.89, 11,270.34 and 4,877.76 is: 7,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.89 : 11,270.34 = 4,877.76 : x
  2. Step 2: Convert to fraction form
    7,510.89/11,270.34 = 4,877.76/x
  3. Step 3: Cross multiply
    7,510.89x = 11,270.34 × 4,877.76
  4. Step 4: Simplify right side
    7,510.89x = 54,974,013.64
  5. Step 5: Solve for x
    x = 54,974,013.64/7,510.89
  6. Step 6: Final answer
    x = 7,319.24

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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.