Home / 7,421.79-10,254.99-5,840.97

Finding the Fourth Proportional to 7,421.79, 10,254.99 and 5,840.97

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Solution

The fourth proportional to 7,421.79, 10,254.99 and 5,840.97 is: 8,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.79 : 10,254.99 = 5,840.97 : x
  2. Step 2: Convert to fraction form
    7,421.79/10,254.99 = 5,840.97/x
  3. Step 3: Cross multiply
    7,421.79x = 10,254.99 × 5,840.97
  4. Step 4: Simplify right side
    7,421.79x = 59,899,088.94
  5. Step 5: Solve for x
    x = 59,899,088.94/7,421.79
  6. Step 6: Final answer
    x = 8,070.71

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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.