Home / 7,347.53-10,135.55-4,653.81

Finding the Fourth Proportional to 7,347.53, 10,135.55 and 4,653.81

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Solution

The fourth proportional to 7,347.53, 10,135.55 and 4,653.81 is: 6,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.53 : 10,135.55 = 4,653.81 : x
  2. Step 2: Convert to fraction form
    7,347.53/10,135.55 = 4,653.81/x
  3. Step 3: Cross multiply
    7,347.53x = 10,135.55 × 4,653.81
  4. Step 4: Simplify right side
    7,347.53x = 47,168,900.68
  5. Step 5: Solve for x
    x = 47,168,900.68/7,347.53
  6. Step 6: Final answer
    x = 6,419.70

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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.