Home / 9,420.57-14,130.45-2,846.61

Finding the Fourth Proportional to 9,420.57, 14,130.45 and 2,846.61

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Solution

The fourth proportional to 9,420.57, 14,130.45 and 2,846.61 is: 4,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.57 : 14,130.45 = 2,846.61 : x
  2. Step 2: Convert to fraction form
    9,420.57/14,130.45 = 2,846.61/x
  3. Step 3: Cross multiply
    9,420.57x = 14,130.45 × 2,846.61
  4. Step 4: Simplify right side
    9,420.57x = 40,223,880.27
  5. Step 5: Solve for x
    x = 40,223,880.27/9,420.57
  6. Step 6: Final answer
    x = 4,269.79

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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.