Home / 6,430.07-8,876.45-4,675.01

Finding the Fourth Proportional to 6,430.07, 8,876.45 and 4,675.01

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Solution

The fourth proportional to 6,430.07, 8,876.45 and 4,675.01 is: 6,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.07 : 8,876.45 = 4,675.01 : x
  2. Step 2: Convert to fraction form
    6,430.07/8,876.45 = 4,675.01/x
  3. Step 3: Cross multiply
    6,430.07x = 8,876.45 × 4,675.01
  4. Step 4: Simplify right side
    6,430.07x = 41,497,459.82
  5. Step 5: Solve for x
    x = 41,497,459.82/6,430.07
  6. Step 6: Final answer
    x = 6,453.65

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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.