Home / 6,439.02-8,886.96-3,644.52

Finding the Fourth Proportional to 6,439.02, 8,886.96 and 3,644.52

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Solution

The fourth proportional to 6,439.02, 8,886.96 and 3,644.52 is: 5,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.02 : 8,886.96 = 3,644.52 : x
  2. Step 2: Convert to fraction form
    6,439.02/8,886.96 = 3,644.52/x
  3. Step 3: Cross multiply
    6,439.02x = 8,886.96 × 3,644.52
  4. Step 4: Simplify right side
    6,439.02x = 32,388,703.46
  5. Step 5: Solve for x
    x = 32,388,703.46/6,439.02
  6. Step 6: Final answer
    x = 5,030.07

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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.