Home / 5,393.81-8,094.38-1,931.06

Finding the Fourth Proportional to 5,393.81, 8,094.38 and 1,931.06

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Solution

The fourth proportional to 5,393.81, 8,094.38 and 1,931.06 is: 2,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.81 : 8,094.38 = 1,931.06 : x
  2. Step 2: Convert to fraction form
    5,393.81/8,094.38 = 1,931.06/x
  3. Step 3: Cross multiply
    5,393.81x = 8,094.38 × 1,931.06
  4. Step 4: Simplify right side
    5,393.81x = 15,630,744.02
  5. Step 5: Solve for x
    x = 15,630,744.02/5,393.81
  6. Step 6: Final answer
    x = 2,897.90

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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.