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Finding the Fourth Proportional to 4,698.19, 6,471.25 and 4,347.87

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Solution

The fourth proportional to 4,698.19, 6,471.25 and 4,347.87 is: 5,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.19 : 6,471.25 = 4,347.87 : x
  2. Step 2: Convert to fraction form
    4,698.19/6,471.25 = 4,347.87/x
  3. Step 3: Cross multiply
    4,698.19x = 6,471.25 × 4,347.87
  4. Step 4: Simplify right side
    4,698.19x = 28,136,153.74
  5. Step 5: Solve for x
    x = 28,136,153.74/4,698.19
  6. Step 6: Final answer
    x = 5,988.72

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Double scale
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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.