Home / 5,621.94-8,421.57-4,706.64

Finding the Fourth Proportional to 5,621.94, 8,421.57 and 4,706.64

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Solution

The fourth proportional to 5,621.94, 8,421.57 and 4,706.64 is: 7,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.94 : 8,421.57 = 4,706.64 : x
  2. Step 2: Convert to fraction form
    5,621.94/8,421.57 = 4,706.64/x
  3. Step 3: Cross multiply
    5,621.94x = 8,421.57 × 4,706.64
  4. Step 4: Simplify right side
    5,621.94x = 39,637,298.22
  5. Step 5: Solve for x
    x = 39,637,298.22/5,621.94
  6. Step 6: Final answer
    x = 7,050.47

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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.