Home / 5,343.60-8,015.40-4,047.60

Finding the Fourth Proportional to 5,343.60, 8,015.40 and 4,047.60

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Solution

The fourth proportional to 5,343.60, 8,015.40 and 4,047.60 is: 6,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.60 : 8,015.40 = 4,047.60 : x
  2. Step 2: Convert to fraction form
    5,343.60/8,015.40 = 4,047.60/x
  3. Step 3: Cross multiply
    5,343.60x = 8,015.40 × 4,047.60
  4. Step 4: Simplify right side
    5,343.60x = 32,443,133.04
  5. Step 5: Solve for x
    x = 32,443,133.04/5,343.60
  6. Step 6: Final answer
    x = 6,071.40

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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.