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Finding the Fourth Proportional to 7,598.89, 11,389.81 and 4,971.45

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Solution

The fourth proportional to 7,598.89, 11,389.81 and 4,971.45 is: 7,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,598.89 : 11,389.81 = 4,971.45 : x
  2. Step 2: Convert to fraction form
    7,598.89/11,389.81 = 4,971.45/x
  3. Step 3: Cross multiply
    7,598.89x = 11,389.81 × 4,971.45
  4. Step 4: Simplify right side
    7,598.89x = 56,623,870.92
  5. Step 5: Solve for x
    x = 56,623,870.92/7,598.89
  6. Step 6: Final answer
    x = 7,451.60

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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.