Home / 9,790.43-14,688.18-4,242.49

Finding the Fourth Proportional to 9,790.43, 14,688.18 and 4,242.49

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Solution

The fourth proportional to 9,790.43, 14,688.18 and 4,242.49 is: 6,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.43 : 14,688.18 = 4,242.49 : x
  2. Step 2: Convert to fraction form
    9,790.43/14,688.18 = 4,242.49/x
  3. Step 3: Cross multiply
    9,790.43x = 14,688.18 × 4,242.49
  4. Step 4: Simplify right side
    9,790.43x = 62,314,420.05
  5. Step 5: Solve for x
    x = 62,314,420.05/9,790.43
  6. Step 6: Final answer
    x = 6,364.83

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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.