Home / 4,271.12-6,403.02-2,807.06

Finding the Fourth Proportional to 4,271.12, 6,403.02 and 2,807.06

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Solution

The fourth proportional to 4,271.12, 6,403.02 and 2,807.06 is: 4,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.12 : 6,403.02 = 2,807.06 : x
  2. Step 2: Convert to fraction form
    4,271.12/6,403.02 = 2,807.06/x
  3. Step 3: Cross multiply
    4,271.12x = 6,403.02 × 2,807.06
  4. Step 4: Simplify right side
    4,271.12x = 17,973,661.32
  5. Step 5: Solve for x
    x = 17,973,661.32/4,271.12
  6. Step 6: Final answer
    x = 4,208.18

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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.