Home / 4,621.23-6,931.77-3,136.77

Finding the Fourth Proportional to 4,621.23, 6,931.77 and 3,136.77

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Solution

The fourth proportional to 4,621.23, 6,931.77 and 3,136.77 is: 4,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.23 : 6,931.77 = 3,136.77 : x
  2. Step 2: Convert to fraction form
    4,621.23/6,931.77 = 3,136.77/x
  3. Step 3: Cross multiply
    4,621.23x = 6,931.77 × 3,136.77
  4. Step 4: Simplify right side
    4,621.23x = 21,743,368.18
  5. Step 5: Solve for x
    x = 21,743,368.18/4,621.23
  6. Step 6: Final answer
    x = 4,705.10

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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.