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Finding the Fourth Proportional to 9,370.56, 14,038.56 and 4,748.16

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Solution

The fourth proportional to 9,370.56, 14,038.56 and 4,748.16 is: 7,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.56 : 14,038.56 = 4,748.16 : x
  2. Step 2: Convert to fraction form
    9,370.56/14,038.56 = 4,748.16/x
  3. Step 3: Cross multiply
    9,370.56x = 14,038.56 × 4,748.16
  4. Step 4: Simplify right side
    9,370.56x = 66,657,329.05
  5. Step 5: Solve for x
    x = 66,657,329.05/9,370.56
  6. Step 6: Final answer
    x = 7,113.48

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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.