Home / 4,618.35-6,368.29-3,123.68

Finding the Fourth Proportional to 4,618.35, 6,368.29 and 3,123.68

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Solution

The fourth proportional to 4,618.35, 6,368.29 and 3,123.68 is: 4,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.35 : 6,368.29 = 3,123.68 : x
  2. Step 2: Convert to fraction form
    4,618.35/6,368.29 = 3,123.68/x
  3. Step 3: Cross multiply
    4,618.35x = 6,368.29 × 3,123.68
  4. Step 4: Simplify right side
    4,618.35x = 19,892,484.34
  5. Step 5: Solve for x
    x = 19,892,484.34/4,618.35
  6. Step 6: Final answer
    x = 4,307.27

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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.