Home / 6,440.13-8,886.93-3,607.02

Finding the Fourth Proportional to 6,440.13, 8,886.93 and 3,607.02

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Solution

The fourth proportional to 6,440.13, 8,886.93 and 3,607.02 is: 4,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.13 : 8,886.93 = 3,607.02 : x
  2. Step 2: Convert to fraction form
    6,440.13/8,886.93 = 3,607.02/x
  3. Step 3: Cross multiply
    6,440.13x = 8,886.93 × 3,607.02
  4. Step 4: Simplify right side
    6,440.13x = 32,055,334.25
  5. Step 5: Solve for x
    x = 32,055,334.25/6,440.13
  6. Step 6: Final answer
    x = 4,977.44

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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.