Home / 5,416.00-7,478.30-4,155.05

Finding the Fourth Proportional to 5,416.00, 7,478.30 and 4,155.05

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Solution

The fourth proportional to 5,416.00, 7,478.30 and 4,155.05 is: 5,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.00 : 7,478.30 = 4,155.05 : x
  2. Step 2: Convert to fraction form
    5,416.00/7,478.30 = 4,155.05/x
  3. Step 3: Cross multiply
    5,416.00x = 7,478.30 × 4,155.05
  4. Step 4: Simplify right side
    5,416.00x = 31,072,739.50
  5. Step 5: Solve for x
    x = 31,072,739.50/5,416.00
  6. Step 6: Final answer
    x = 5,737.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.