Home / 7,510.57-10,358.85-4,991.89

Finding the Fourth Proportional to 7,510.57, 10,358.85 and 4,991.89

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Solution

The fourth proportional to 7,510.57, 10,358.85 and 4,991.89 is: 6,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.57 : 10,358.85 = 4,991.89 : x
  2. Step 2: Convert to fraction form
    7,510.57/10,358.85 = 4,991.89/x
  3. Step 3: Cross multiply
    7,510.57x = 10,358.85 × 4,991.89
  4. Step 4: Simplify right side
    7,510.57x = 51,710,239.73
  5. Step 5: Solve for x
    x = 51,710,239.73/7,510.57
  6. Step 6: Final answer
    x = 6,885.00

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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.