Home / 5,037.40-7,557.36-1,917.40

Finding the Fourth Proportional to 5,037.40, 7,557.36 and 1,917.40

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Solution

The fourth proportional to 5,037.40, 7,557.36 and 1,917.40 is: 2,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.40 : 7,557.36 = 1,917.40 : x
  2. Step 2: Convert to fraction form
    5,037.40/7,557.36 = 1,917.40/x
  3. Step 3: Cross multiply
    5,037.40x = 7,557.36 × 1,917.40
  4. Step 4: Simplify right side
    5,037.40x = 14,490,482.06
  5. Step 5: Solve for x
    x = 14,490,482.06/5,037.40
  6. Step 6: Final answer
    x = 2,876.58

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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.