Home / 4,318.02-6,477.64-2,126.77

Finding the Fourth Proportional to 4,318.02, 6,477.64 and 2,126.77

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Solution

The fourth proportional to 4,318.02, 6,477.64 and 2,126.77 is: 3,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.02 : 6,477.64 = 2,126.77 : x
  2. Step 2: Convert to fraction form
    4,318.02/6,477.64 = 2,126.77/x
  3. Step 3: Cross multiply
    4,318.02x = 6,477.64 × 2,126.77
  4. Step 4: Simplify right side
    4,318.02x = 13,776,428.91
  5. Step 5: Solve for x
    x = 13,776,428.91/4,318.02
  6. Step 6: Final answer
    x = 3,190.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.