Home / 7,529.85-10,391.58-4,545.89

Finding the Fourth Proportional to 7,529.85, 10,391.58 and 4,545.89

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Solution

The fourth proportional to 7,529.85, 10,391.58 and 4,545.89 is: 6,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.85 : 10,391.58 = 4,545.89 : x
  2. Step 2: Convert to fraction form
    7,529.85/10,391.58 = 4,545.89/x
  3. Step 3: Cross multiply
    7,529.85x = 10,391.58 × 4,545.89
  4. Step 4: Simplify right side
    7,529.85x = 47,238,927.65
  5. Step 5: Solve for x
    x = 47,238,927.65/7,529.85
  6. Step 6: Final answer
    x = 6,273.55

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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.