Home / 4,316.40-6,477-1,719.52

Finding the Fourth Proportional to 4,316.40, 6,477 and 1,719.52

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Solution

The fourth proportional to 4,316.40, 6,477 and 1,719.52 is: 2,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.40 : 6,477 = 1,719.52 : x
  2. Step 2: Convert to fraction form
    4,316.40/6,477 = 1,719.52/x
  3. Step 3: Cross multiply
    4,316.40x = 6,477 × 1,719.52
  4. Step 4: Simplify right side
    4,316.40x = 11,137,331.04
  5. Step 5: Solve for x
    x = 11,137,331.04/4,316.40
  6. Step 6: Final answer
    x = 2,580.24

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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.