Home / 6,436.02-8,878.50-4,074.06

Finding the Fourth Proportional to 6,436.02, 8,878.50 and 4,074.06

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Solution

The fourth proportional to 6,436.02, 8,878.50 and 4,074.06 is: 5,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.02 : 8,878.50 = 4,074.06 : x
  2. Step 2: Convert to fraction form
    6,436.02/8,878.50 = 4,074.06/x
  3. Step 3: Cross multiply
    6,436.02x = 8,878.50 × 4,074.06
  4. Step 4: Simplify right side
    6,436.02x = 36,171,541.71
  5. Step 5: Solve for x
    x = 36,171,541.71/6,436.02
  6. Step 6: Final answer
    x = 5,620.17

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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.