Home / 4,859.36-7,285.12-1,570.40

Finding the Fourth Proportional to 4,859.36, 7,285.12 and 1,570.40

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Solution

The fourth proportional to 4,859.36, 7,285.12 and 1,570.40 is: 2,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.36 : 7,285.12 = 1,570.40 : x
  2. Step 2: Convert to fraction form
    4,859.36/7,285.12 = 1,570.40/x
  3. Step 3: Cross multiply
    4,859.36x = 7,285.12 × 1,570.40
  4. Step 4: Simplify right side
    4,859.36x = 11,440,552.45
  5. Step 5: Solve for x
    x = 11,440,552.45/4,859.36
  6. Step 6: Final answer
    x = 2,354.33

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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.