Home / 4,655.02-6,420.72-4,455.76

Finding the Fourth Proportional to 4,655.02, 6,420.72 and 4,455.76

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Solution

The fourth proportional to 4,655.02, 6,420.72 and 4,455.76 is: 6,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.02 : 6,420.72 = 4,455.76 : x
  2. Step 2: Convert to fraction form
    4,655.02/6,420.72 = 4,455.76/x
  3. Step 3: Cross multiply
    4,655.02x = 6,420.72 × 4,455.76
  4. Step 4: Simplify right side
    4,655.02x = 28,609,187.35
  5. Step 5: Solve for x
    x = 28,609,187.35/4,655.02
  6. Step 6: Final answer
    x = 6,145.88

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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.