Home / 7,350.21-10,136.34-4,827.87

Finding the Fourth Proportional to 7,350.21, 10,136.34 and 4,827.87

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Solution

The fourth proportional to 7,350.21, 10,136.34 and 4,827.87 is: 6,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.21 : 10,136.34 = 4,827.87 : x
  2. Step 2: Convert to fraction form
    7,350.21/10,136.34 = 4,827.87/x
  3. Step 3: Cross multiply
    7,350.21x = 10,136.34 × 4,827.87
  4. Step 4: Simplify right side
    7,350.21x = 48,936,931.80
  5. Step 5: Solve for x
    x = 48,936,931.80/7,350.21
  6. Step 6: Final answer
    x = 6,657.90

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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.