Home / 8,740.59-12,058.64-5,430.51

Finding the Fourth Proportional to 8,740.59, 12,058.64 and 5,430.51

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Solution

The fourth proportional to 8,740.59, 12,058.64 and 5,430.51 is: 7,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.59 : 12,058.64 = 5,430.51 : x
  2. Step 2: Convert to fraction form
    8,740.59/12,058.64 = 5,430.51/x
  3. Step 3: Cross multiply
    8,740.59x = 12,058.64 × 5,430.51
  4. Step 4: Simplify right side
    8,740.59x = 65,484,537.95
  5. Step 5: Solve for x
    x = 65,484,537.95/8,740.59
  6. Step 6: Final answer
    x = 7,492.00

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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.