Home / 4,457.21-6,688.40-1,824.30

Finding the Fourth Proportional to 4,457.21, 6,688.40 and 1,824.30

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Solution

The fourth proportional to 4,457.21, 6,688.40 and 1,824.30 is: 2,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.21 : 6,688.40 = 1,824.30 : x
  2. Step 2: Convert to fraction form
    4,457.21/6,688.40 = 1,824.30/x
  3. Step 3: Cross multiply
    4,457.21x = 6,688.40 × 1,824.30
  4. Step 4: Simplify right side
    4,457.21x = 12,201,639.00
  5. Step 5: Solve for x
    x = 12,201,639.00/4,457.21
  6. Step 6: Final answer
    x = 2,737.51

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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.