Home / 4,341.90-6,513.88-1,420.44

Finding the Fourth Proportional to 4,341.90, 6,513.88 and 1,420.44

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Solution

The fourth proportional to 4,341.90, 6,513.88 and 1,420.44 is: 2,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.90 : 6,513.88 = 1,420.44 : x
  2. Step 2: Convert to fraction form
    4,341.90/6,513.88 = 1,420.44/x
  3. Step 3: Cross multiply
    4,341.90x = 6,513.88 × 1,420.44
  4. Step 4: Simplify right side
    4,341.90x = 9,252,575.71
  5. Step 5: Solve for x
    x = 9,252,575.71/4,341.90
  6. Step 6: Final answer
    x = 2,131.00

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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.