Home / 7,038.50-10,550.76-3,919.93

Finding the Fourth Proportional to 7,038.50, 10,550.76 and 3,919.93

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Solution

The fourth proportional to 7,038.50, 10,550.76 and 3,919.93 is: 5,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.50 : 10,550.76 = 3,919.93 : x
  2. Step 2: Convert to fraction form
    7,038.50/10,550.76 = 3,919.93/x
  3. Step 3: Cross multiply
    7,038.50x = 10,550.76 × 3,919.93
  4. Step 4: Simplify right side
    7,038.50x = 41,358,240.65
  5. Step 5: Solve for x
    x = 41,358,240.65/7,038.50
  6. Step 6: Final answer
    x = 5,876.00

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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.