Home / 6,440.02-8,878.72-4,646.00

Finding the Fourth Proportional to 6,440.02, 8,878.72 and 4,646.00

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Solution

The fourth proportional to 6,440.02, 8,878.72 and 4,646.00 is: 6,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.02 : 8,878.72 = 4,646.00 : x
  2. Step 2: Convert to fraction form
    6,440.02/8,878.72 = 4,646.00/x
  3. Step 3: Cross multiply
    6,440.02x = 8,878.72 × 4,646.00
  4. Step 4: Simplify right side
    6,440.02x = 41,250,502.47
  5. Step 5: Solve for x
    x = 41,250,502.47/6,440.02
  6. Step 6: Final answer
    x = 6,405.34

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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.