Home / 7,828.76-10,803.95-4,291.98

Finding the Fourth Proportional to 7,828.76, 10,803.95 and 4,291.98

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Solution

The fourth proportional to 7,828.76, 10,803.95 and 4,291.98 is: 5,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.76 : 10,803.95 = 4,291.98 : x
  2. Step 2: Convert to fraction form
    7,828.76/10,803.95 = 4,291.98/x
  3. Step 3: Cross multiply
    7,828.76x = 10,803.95 × 4,291.98
  4. Step 4: Simplify right side
    7,828.76x = 46,370,337.32
  5. Step 5: Solve for x
    x = 46,370,337.32/7,828.76
  6. Step 6: Final answer
    x = 5,923.08

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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.