Home / 7,511.87-10,356.95-4,818.34

Finding the Fourth Proportional to 7,511.87, 10,356.95 and 4,818.34

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Solution

The fourth proportional to 7,511.87, 10,356.95 and 4,818.34 is: 6,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.87 : 10,356.95 = 4,818.34 : x
  2. Step 2: Convert to fraction form
    7,511.87/10,356.95 = 4,818.34/x
  3. Step 3: Cross multiply
    7,511.87x = 10,356.95 × 4,818.34
  4. Step 4: Simplify right side
    7,511.87x = 49,903,246.09
  5. Step 5: Solve for x
    x = 49,903,246.09/7,511.87
  6. Step 6: Final answer
    x = 6,643.25

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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.