Home / 4,659.93-6,430.19-2,890.89

Finding the Fourth Proportional to 4,659.93, 6,430.19 and 2,890.89

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Solution

The fourth proportional to 4,659.93, 6,430.19 and 2,890.89 is: 3,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.93 : 6,430.19 = 2,890.89 : x
  2. Step 2: Convert to fraction form
    4,659.93/6,430.19 = 2,890.89/x
  3. Step 3: Cross multiply
    4,659.93x = 6,430.19 × 2,890.89
  4. Step 4: Simplify right side
    4,659.93x = 18,588,957.51
  5. Step 5: Solve for x
    x = 18,588,957.51/4,659.93
  6. Step 6: Final answer
    x = 3,989.11

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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.