Home / 7,840.61-10,819.37-4,482.35

Finding the Fourth Proportional to 7,840.61, 10,819.37 and 4,482.35

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Solution

The fourth proportional to 7,840.61, 10,819.37 and 4,482.35 is: 6,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.61 : 10,819.37 = 4,482.35 : x
  2. Step 2: Convert to fraction form
    7,840.61/10,819.37 = 4,482.35/x
  3. Step 3: Cross multiply
    7,840.61x = 10,819.37 × 4,482.35
  4. Step 4: Simplify right side
    7,840.61x = 48,496,180.71
  5. Step 5: Solve for x
    x = 48,496,180.71/7,840.61
  6. Step 6: Final answer
    x = 6,185.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.