Home / 4,931.34-7,390.80-4,313.58

Finding the Fourth Proportional to 4,931.34, 7,390.80 and 4,313.58

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Solution

The fourth proportional to 4,931.34, 7,390.80 and 4,313.58 is: 6,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.34 : 7,390.80 = 4,313.58 : x
  2. Step 2: Convert to fraction form
    4,931.34/7,390.80 = 4,313.58/x
  3. Step 3: Cross multiply
    4,931.34x = 7,390.80 × 4,313.58
  4. Step 4: Simplify right side
    4,931.34x = 31,880,807.06
  5. Step 5: Solve for x
    x = 31,880,807.06/4,931.34
  6. Step 6: Final answer
    x = 6,464.94

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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.