Home / 4,316.63-6,478.58-1,719.56

Finding the Fourth Proportional to 4,316.63, 6,478.58 and 1,719.56

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Solution

The fourth proportional to 4,316.63, 6,478.58 and 1,719.56 is: 2,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.63 : 6,478.58 = 1,719.56 : x
  2. Step 2: Convert to fraction form
    4,316.63/6,478.58 = 1,719.56/x
  3. Step 3: Cross multiply
    4,316.63x = 6,478.58 × 1,719.56
  4. Step 4: Simplify right side
    4,316.63x = 11,140,327.52
  5. Step 5: Solve for x
    x = 11,140,327.52/4,316.63
  6. Step 6: Final answer
    x = 2,580.80

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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.