Home / 4,670.29-6,440.06-2,991.77

Finding the Fourth Proportional to 4,670.29, 6,440.06 and 2,991.77

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Solution

The fourth proportional to 4,670.29, 6,440.06 and 2,991.77 is: 4,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.29 : 6,440.06 = 2,991.77 : x
  2. Step 2: Convert to fraction form
    4,670.29/6,440.06 = 2,991.77/x
  3. Step 3: Cross multiply
    4,670.29x = 6,440.06 × 2,991.77
  4. Step 4: Simplify right side
    4,670.29x = 19,267,160.91
  5. Step 5: Solve for x
    x = 19,267,160.91/4,670.29
  6. Step 6: Final answer
    x = 4,125.47

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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.