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Finding the Fourth Proportional to 8,347.53, 11,515.01 and 5,317.01

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Solution

The fourth proportional to 8,347.53, 11,515.01 and 5,317.01 is: 7,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.53 : 11,515.01 = 5,317.01 : x
  2. Step 2: Convert to fraction form
    8,347.53/11,515.01 = 5,317.01/x
  3. Step 3: Cross multiply
    8,347.53x = 11,515.01 × 5,317.01
  4. Step 4: Simplify right side
    8,347.53x = 61,225,339.16
  5. Step 5: Solve for x
    x = 61,225,339.16/8,347.53
  6. Step 6: Final answer
    x = 7,334.55

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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.