Home / 4,807.08-6,645.06-3,421.80

Finding the Fourth Proportional to 4,807.08, 6,645.06 and 3,421.80

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Solution

The fourth proportional to 4,807.08, 6,645.06 and 3,421.80 is: 4,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.08 : 6,645.06 = 3,421.80 : x
  2. Step 2: Convert to fraction form
    4,807.08/6,645.06 = 3,421.80/x
  3. Step 3: Cross multiply
    4,807.08x = 6,645.06 × 3,421.80
  4. Step 4: Simplify right side
    4,807.08x = 22,738,066.31
  5. Step 5: Solve for x
    x = 22,738,066.31/4,807.08
  6. Step 6: Final answer
    x = 4,730.12

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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.