Home / 4,878.02-7,316.99-1,956.28

Finding the Fourth Proportional to 4,878.02, 7,316.99 and 1,956.28

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Solution

The fourth proportional to 4,878.02, 7,316.99 and 1,956.28 is: 2,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.02 : 7,316.99 = 1,956.28 : x
  2. Step 2: Convert to fraction form
    4,878.02/7,316.99 = 1,956.28/x
  3. Step 3: Cross multiply
    4,878.02x = 7,316.99 × 1,956.28
  4. Step 4: Simplify right side
    4,878.02x = 14,314,081.20
  5. Step 5: Solve for x
    x = 14,314,081.20/4,878.02
  6. Step 6: Final answer
    x = 2,934.40

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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.