Home / 4,985.02-6,878.80-2,746.76

Finding the Fourth Proportional to 4,985.02, 6,878.80 and 2,746.76

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Solution

The fourth proportional to 4,985.02, 6,878.80 and 2,746.76 is: 3,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.02 : 6,878.80 = 2,746.76 : x
  2. Step 2: Convert to fraction form
    4,985.02/6,878.80 = 2,746.76/x
  3. Step 3: Cross multiply
    4,985.02x = 6,878.80 × 2,746.76
  4. Step 4: Simplify right side
    4,985.02x = 18,894,412.70
  5. Step 5: Solve for x
    x = 18,894,412.70/4,985.02
  6. Step 6: Final answer
    x = 3,790.24

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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.