Home / 9,317.58-12,860.10-5,341.36

Finding the Fourth Proportional to 9,317.58, 12,860.10 and 5,341.36

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Solution

The fourth proportional to 9,317.58, 12,860.10 and 5,341.36 is: 7,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.58 : 12,860.10 = 5,341.36 : x
  2. Step 2: Convert to fraction form
    9,317.58/12,860.10 = 5,341.36/x
  3. Step 3: Cross multiply
    9,317.58x = 12,860.10 × 5,341.36
  4. Step 4: Simplify right side
    9,317.58x = 68,690,423.74
  5. Step 5: Solve for x
    x = 68,690,423.74/9,317.58
  6. Step 6: Final answer
    x = 7,372.13

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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.