Home / 4,899.15-7,345.53-1,778.57

Finding the Fourth Proportional to 4,899.15, 7,345.53 and 1,778.57

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Solution

The fourth proportional to 4,899.15, 7,345.53 and 1,778.57 is: 2,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.15 : 7,345.53 = 1,778.57 : x
  2. Step 2: Convert to fraction form
    4,899.15/7,345.53 = 1,778.57/x
  3. Step 3: Cross multiply
    4,899.15x = 7,345.53 × 1,778.57
  4. Step 4: Simplify right side
    4,899.15x = 13,064,502.56
  5. Step 5: Solve for x
    x = 13,064,502.56/4,899.15
  6. Step 6: Final answer
    x = 2,666.69

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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.