Home / 4,878.02-6,710.40-4,277.81

Finding the Fourth Proportional to 4,878.02, 6,710.40 and 4,277.81

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Solution

The fourth proportional to 4,878.02, 6,710.40 and 4,277.81 is: 5,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.02 : 6,710.40 = 4,277.81 : x
  2. Step 2: Convert to fraction form
    4,878.02/6,710.40 = 4,277.81/x
  3. Step 3: Cross multiply
    4,878.02x = 6,710.40 × 4,277.81
  4. Step 4: Simplify right side
    4,878.02x = 28,705,816.22
  5. Step 5: Solve for x
    x = 28,705,816.22/4,878.02
  6. Step 6: Final answer
    x = 5,884.73

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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.