Home / 4,547.20-6,820.74-2,480.32

Finding the Fourth Proportional to 4,547.20, 6,820.74 and 2,480.32

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Solution

The fourth proportional to 4,547.20, 6,820.74 and 2,480.32 is: 3,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.20 : 6,820.74 = 2,480.32 : x
  2. Step 2: Convert to fraction form
    4,547.20/6,820.74 = 2,480.32/x
  3. Step 3: Cross multiply
    4,547.20x = 6,820.74 × 2,480.32
  4. Step 4: Simplify right side
    4,547.20x = 16,917,617.84
  5. Step 5: Solve for x
    x = 16,917,617.84/4,547.20
  6. Step 6: Final answer
    x = 3,720.45

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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.