Home / 5,423.04-8,135.61-1,914.06

Finding the Fourth Proportional to 5,423.04, 8,135.61 and 1,914.06

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Solution

The fourth proportional to 5,423.04, 8,135.61 and 1,914.06 is: 2,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.04 : 8,135.61 = 1,914.06 : x
  2. Step 2: Convert to fraction form
    5,423.04/8,135.61 = 1,914.06/x
  3. Step 3: Cross multiply
    5,423.04x = 8,135.61 × 1,914.06
  4. Step 4: Simplify right side
    5,423.04x = 15,572,045.68
  5. Step 5: Solve for x
    x = 15,572,045.68/5,423.04
  6. Step 6: Final answer
    x = 2,871.46

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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.