Home / 4,457.53-6,686.35-1,860.47

Finding the Fourth Proportional to 4,457.53, 6,686.35 and 1,860.47

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Solution

The fourth proportional to 4,457.53, 6,686.35 and 1,860.47 is: 2,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.53 : 6,686.35 = 1,860.47 : x
  2. Step 2: Convert to fraction form
    4,457.53/6,686.35 = 1,860.47/x
  3. Step 3: Cross multiply
    4,457.53x = 6,686.35 × 1,860.47
  4. Step 4: Simplify right side
    4,457.53x = 12,439,740.58
  5. Step 5: Solve for x
    x = 12,439,740.58/4,457.53
  6. Step 6: Final answer
    x = 2,790.72

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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.