Home / 7,050.40-10,574.80-1,856.68

Finding the Fourth Proportional to 7,050.40, 10,574.80 and 1,856.68

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Solution

The fourth proportional to 7,050.40, 10,574.80 and 1,856.68 is: 2,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.40 : 10,574.80 = 1,856.68 : x
  2. Step 2: Convert to fraction form
    7,050.40/10,574.80 = 1,856.68/x
  3. Step 3: Cross multiply
    7,050.40x = 10,574.80 × 1,856.68
  4. Step 4: Simplify right side
    7,050.40x = 19,634,019.66
  5. Step 5: Solve for x
    x = 19,634,019.66/7,050.40
  6. Step 6: Final answer
    x = 2,784.81

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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.