Home / 4,807.24-7,210.91-1,687.32

Finding the Fourth Proportional to 4,807.24, 7,210.91 and 1,687.32

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Solution

The fourth proportional to 4,807.24, 7,210.91 and 1,687.32 is: 2,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.24 : 7,210.91 = 1,687.32 : x
  2. Step 2: Convert to fraction form
    4,807.24/7,210.91 = 1,687.32/x
  3. Step 3: Cross multiply
    4,807.24x = 7,210.91 × 1,687.32
  4. Step 4: Simplify right side
    4,807.24x = 12,167,116.88
  5. Step 5: Solve for x
    x = 12,167,116.88/4,807.24
  6. Step 6: Final answer
    x = 2,531.00

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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.