Home / 4,480.02-6,711.93-1,878.30

Finding the Fourth Proportional to 4,480.02, 6,711.93 and 1,878.30

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Solution

The fourth proportional to 4,480.02, 6,711.93 and 1,878.30 is: 2,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.02 : 6,711.93 = 1,878.30 : x
  2. Step 2: Convert to fraction form
    4,480.02/6,711.93 = 1,878.30/x
  3. Step 3: Cross multiply
    4,480.02x = 6,711.93 × 1,878.30
  4. Step 4: Simplify right side
    4,480.02x = 12,607,018.12
  5. Step 5: Solve for x
    x = 12,607,018.12/4,480.02
  6. Step 6: Final answer
    x = 2,814.05

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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.