Home / 4,677.28-7,015.88-1,345.60

Finding the Fourth Proportional to 4,677.28, 7,015.88 and 1,345.60

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Solution

The fourth proportional to 4,677.28, 7,015.88 and 1,345.60 is: 2,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.28 : 7,015.88 = 1,345.60 : x
  2. Step 2: Convert to fraction form
    4,677.28/7,015.88 = 1,345.60/x
  3. Step 3: Cross multiply
    4,677.28x = 7,015.88 × 1,345.60
  4. Step 4: Simplify right side
    4,677.28x = 9,440,595.43
  5. Step 5: Solve for x
    x = 9,440,595.43/4,677.28
  6. Step 6: Final answer
    x = 2,018.40

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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.