Home / 7,515.70-11,261.40-4,737.40

Finding the Fourth Proportional to 7,515.70, 11,261.40 and 4,737.40

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Solution

The fourth proportional to 7,515.70, 11,261.40 and 4,737.40 is: 7,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.70 : 11,261.40 = 4,737.40 : x
  2. Step 2: Convert to fraction form
    7,515.70/11,261.40 = 4,737.40/x
  3. Step 3: Cross multiply
    7,515.70x = 11,261.40 × 4,737.40
  4. Step 4: Simplify right side
    7,515.70x = 53,349,756.36
  5. Step 5: Solve for x
    x = 53,349,756.36/7,515.70
  6. Step 6: Final answer
    x = 7,098.44

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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.