Home / 5,430.12-8,150.04-2,510.07

Finding the Fourth Proportional to 5,430.12, 8,150.04 and 2,510.07

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Solution

The fourth proportional to 5,430.12, 8,150.04 and 2,510.07 is: 3,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.12 : 8,150.04 = 2,510.07 : x
  2. Step 2: Convert to fraction form
    5,430.12/8,150.04 = 2,510.07/x
  3. Step 3: Cross multiply
    5,430.12x = 8,150.04 × 2,510.07
  4. Step 4: Simplify right side
    5,430.12x = 20,457,170.90
  5. Step 5: Solve for x
    x = 20,457,170.90/5,430.12
  6. Step 6: Final answer
    x = 3,767.35

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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.