Home / 4,774.23-7,160.81-1,487.05

Finding the Fourth Proportional to 4,774.23, 7,160.81 and 1,487.05

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Solution

The fourth proportional to 4,774.23, 7,160.81 and 1,487.05 is: 2,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.23 : 7,160.81 = 1,487.05 : x
  2. Step 2: Convert to fraction form
    4,774.23/7,160.81 = 1,487.05/x
  3. Step 3: Cross multiply
    4,774.23x = 7,160.81 × 1,487.05
  4. Step 4: Simplify right side
    4,774.23x = 10,648,439.27
  5. Step 5: Solve for x
    x = 10,648,439.27/4,774.23
  6. Step 6: Final answer
    x = 2,230.40

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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.