Home / 6,458.78-9,673.58-6,312.98

Finding the Fourth Proportional to 6,458.78, 9,673.58 and 6,312.98

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Solution

The fourth proportional to 6,458.78, 9,673.58 and 6,312.98 is: 9,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.78 : 9,673.58 = 6,312.98 : x
  2. Step 2: Convert to fraction form
    6,458.78/9,673.58 = 6,312.98/x
  3. Step 3: Cross multiply
    6,458.78x = 9,673.58 × 6,312.98
  4. Step 4: Simplify right side
    6,458.78x = 61,069,117.07
  5. Step 5: Solve for x
    x = 61,069,117.07/6,458.78
  6. Step 6: Final answer
    x = 9,455.21

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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.