Home / 6,440.03-8,886.74-3,607.18

Finding the Fourth Proportional to 6,440.03, 8,886.74 and 3,607.18

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Solution

The fourth proportional to 6,440.03, 8,886.74 and 3,607.18 is: 4,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.03 : 8,886.74 = 3,607.18 : x
  2. Step 2: Convert to fraction form
    6,440.03/8,886.74 = 3,607.18/x
  3. Step 3: Cross multiply
    6,440.03x = 8,886.74 × 3,607.18
  4. Step 4: Simplify right side
    6,440.03x = 32,056,090.67
  5. Step 5: Solve for x
    x = 32,056,090.67/6,440.03
  6. Step 6: Final answer
    x = 4,977.63

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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.