Home / 7,484.21-10,328.28-4,126.94

Finding the Fourth Proportional to 7,484.21, 10,328.28 and 4,126.94

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Solution

The fourth proportional to 7,484.21, 10,328.28 and 4,126.94 is: 5,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.21 : 10,328.28 = 4,126.94 : x
  2. Step 2: Convert to fraction form
    7,484.21/10,328.28 = 4,126.94/x
  3. Step 3: Cross multiply
    7,484.21x = 10,328.28 × 4,126.94
  4. Step 4: Simplify right side
    7,484.21x = 42,624,157.66
  5. Step 5: Solve for x
    x = 42,624,157.66/7,484.21
  6. Step 6: Final answer
    x = 5,695.21

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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.