Home / 7,038.94-10,560.82-2,657.65

Finding the Fourth Proportional to 7,038.94, 10,560.82 and 2,657.65

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Solution

The fourth proportional to 7,038.94, 10,560.82 and 2,657.65 is: 3,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.94 : 10,560.82 = 2,657.65 : x
  2. Step 2: Convert to fraction form
    7,038.94/10,560.82 = 2,657.65/x
  3. Step 3: Cross multiply
    7,038.94x = 10,560.82 × 2,657.65
  4. Step 4: Simplify right side
    7,038.94x = 28,066,903.82
  5. Step 5: Solve for x
    x = 28,066,903.82/7,038.94
  6. Step 6: Final answer
    x = 3,987.38

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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.