Home / 7,421.85-10,233.95-5,065.29

Finding the Fourth Proportional to 7,421.85, 10,233.95 and 5,065.29

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Solution

The fourth proportional to 7,421.85, 10,233.95 and 5,065.29 is: 6,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.85 : 10,233.95 = 5,065.29 : x
  2. Step 2: Convert to fraction form
    7,421.85/10,233.95 = 5,065.29/x
  3. Step 3: Cross multiply
    7,421.85x = 10,233.95 × 5,065.29
  4. Step 4: Simplify right side
    7,421.85x = 51,837,899.27
  5. Step 5: Solve for x
    x = 51,837,899.27/7,421.85
  6. Step 6: Final answer
    x = 6,984.50

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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.