Home / 7,077.64-10,621.98-4,901.62

Finding the Fourth Proportional to 7,077.64, 10,621.98 and 4,901.62

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Solution

The fourth proportional to 7,077.64, 10,621.98 and 4,901.62 is: 7,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.64 : 10,621.98 = 4,901.62 : x
  2. Step 2: Convert to fraction form
    7,077.64/10,621.98 = 4,901.62/x
  3. Step 3: Cross multiply
    7,077.64x = 10,621.98 × 4,901.62
  4. Step 4: Simplify right side
    7,077.64x = 52,064,909.61
  5. Step 5: Solve for x
    x = 52,064,909.61/7,077.64
  6. Step 6: Final answer
    x = 7,356.25

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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.