Home / 4,374.81-6,556.75-3,123.46

Finding the Fourth Proportional to 4,374.81, 6,556.75 and 3,123.46

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Solution

The fourth proportional to 4,374.81, 6,556.75 and 3,123.46 is: 4,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.81 : 6,556.75 = 3,123.46 : x
  2. Step 2: Convert to fraction form
    4,374.81/6,556.75 = 3,123.46/x
  3. Step 3: Cross multiply
    4,374.81x = 6,556.75 × 3,123.46
  4. Step 4: Simplify right side
    4,374.81x = 20,479,746.74
  5. Step 5: Solve for x
    x = 20,479,746.74/4,374.81
  6. Step 6: Final answer
    x = 4,681.29

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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.